[BUGFIX] Fix broken template switch

Resources/Private/Partials/Module/DocHeader.html

@@ -80,7 +80,7 @@
 		<f:be.menus.actionMenuItem
 			controller="{controller}"
 			action="{action}"
-			arguments="{selectedTemplate: selectedTemplateKey, selectedExtension: selectedExtensionKey}"
+			arguments="{parameters: {selectedTemplate: selectedTemplateKey, selectedExtension: selectedExtensionKey}}"
 			label="{label}" />
 	</f:section>
 </html>